The C8051F040 is a highly integrated mixed-signal 8-bit MCU featuring a powerful 8051 core with 25 MHz performance. This analog-intensive MCU features a 12-bit, 13-ch., 100 ksps ADC and 3 comparators. The C8051F040 also offers 64 kB Flash, 4.25 kB RAM along with 5 x 16-bit Timers, additional communication interfaces and integrated CAN in a 14×14 mm, QFP100. With on-chip VDD monitor, Watchdog timer, a ±2 internal oscillator and high analog integration, the C8051F040 MCU is a truly stand-alone System-on-chip solution making it ideal for applications such as portable medical equipment, weigh scales, test equipment and fiber optic systems among others.
Features:-
• High-Speed pipelined 8051-compatible CIP-51 microcontroller core (up to 25 MIPS)
• Controller Area Network (CAN 2.0B) Controller with 32 message objects, each with its own indentifier mask.
• In-system, full-speed, non-intrusive debug interface (on-chip)
• True 12-bit (C8051F040/1) or 10-bit (C8051F042/3/4/5/6/7) 100 ksps 8-channel ADC with PGA and analog multiplexer
• High Voltage Difference Amplifier input to the 12/10-bit ADC (60 V Peak-to-Peak) with programmable gain.
• True 8-bit 500 ksps 8-channel ADC with PGA and analog multiplexer (C8051F040/1/2/3)
• Two 12-bit DACs with programmable update scheduling (C8051F040/1/2/3)
• 64 kB (C8051F040/1/2/3/4/5) or 32 kB (C8051F046/7) of in-system programmable Flash memory
• 4352 (4096 + 256) bytes of on-chip RAM
• External Data Memory Interface with 64 kB address space
• SPI, SMBus/I2C, and (2) UART serial interfaces implemented in hardware
• Five general purpose 16-bit Timers
• Programmable Counter/Timer Array with six capture/compare modules
• On-chip Watchdog Timer, VDD Monitor, and Temperature Sensor
Specification:-
| Parameters | Min | Max | Units |
| Ambient temperature under bias | -55 | 125 | °C |
| Storage Temperature | -65 | 150 | °C |
| Voltage on any Pin (except VDD, Port I/O, and JTAG pins) with respect to DGND | -0.3 | VDD + 0.3 | V |
| Voltage on any Port I/O Pin, /RST, and JTAG pins with respect to DGND | -0.3 | 5.8 | V |
| Voltage on VDD with respect to DGND | 4.2 | V | |
| Maximum Total current through VDD, AV+, DGND, and AGND | 800 | mA | |
| Maximum output current sunk by any Port pin | 100 | mA | |
| Maximum output current sunk by any other I/O pin | 50 | mA | |
| Maximum output current sourced by any Port pin | 100 | mA | |
| Maximum output current sourced by any other I/O pin | 50 | mA |
* product image for illustration purposes only. actual product may vary.
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